Glue gun



FIG. 1 is a right front perspective view of our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side elevational view thereof, the opposite side beinga mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines illustrate portions of the glue gun which form no partof the claimed design.

CLAIM The ornamental design of a glue gun, as shown and described.